Standard: JASO F 116 - 2005
Available sizes: M10 to M8 (6 sizes)
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 2.5 | 5.2 | 17.75 | 18 | 17.8 | 1.5 | E24 | 26.48 | 18 | 21.921 | 27 |
| M12 | 2.5 | 6.9 | 21.75 | 22 | 21.8 | 1.5 | E28 | 32.38 | 22 | 25.477 | 33 |
Standard corrosion protection for indoor and mild outdoor environments.
Salt spray: 96–200 hours | RoHS compliant (trivalent chromium)
High-performance coating for automotive, marine, and harsh environments.
Salt spray: 720–1500 hours | Recommended for grade 8.8+
Heavy-duty protection for structural and outdoor applications.
Salt spray: 500–1000 hours | Thread tolerance adjustment required
Note for high-strength fasteners (Grade 10.9, 12.9): Electroplating processes require hydrogen embrittlement relief baking (minimum 4 hours at 200°C within 4 hours of plating). Contact our engineering team for grade-specific plating recommendations.
Request detailed technical specifications, material certifications, and availability information for your application requirements. Our engineering team can provide product recommendations, custom specifications, and technical documentation.
| M14 | 3 | 7 | 23.75 | 24 | 23.8 | 2 | E32 | 35.38 | 24 | 28.982 | 36 |
| M5 | 1 | 1.8 | 6.25 | 6 | 5.9 | / | E8 | 9.64 | 6.5 | 7.341 | 10 |
| M6 | 1.5 | 3.2 | 9.75 | 10 | 9.85 | 1.25 | E12 | 15.57 | 10 | 10.999 | 16 |
| M8 | 2 | 4.2 | 13.75 | 14 | 13.8 | 1.5 | E18 | 20.48 | 14 | 16.46 | 21 |
© 2026 Ningbo Ruixi Metal Surface Technology Co., Ltd.. All rights reserved.